800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
4
N40067 - 7/11 - Subject to change. © Belimo Aircontrols (USA), Inc.
Wire Size vs. Length of Run for SY Series Actuators
The NEC mandates that 24 VAC over 100 VA power requires CLASS 1 wiring conduit. Local codes may vary. Do NOT mix CLASS 1 & CLASS 2 circuits in
the same conduit. Generally, 24 VAC actuators over 100 VA should be changed to 120 VAC models.
SY1 SY2 SY3 SY4 SY5
Amps Amps Amps Amps Amps
wire gauge 1.8 3 3 6 6.5
MAX Distance between Actuator and Supply (feet)
18 92 55 55
16 144 87 87 43 40
14 233 140 140 70 65
12 357 214 214 107 99
10 606 364 364 182 168
8 905 543 543 271 250
24 VAC
SY1 SY2 SY3 SY4 SY5 SY6 SY7 SY8 SY9 SY10 SY11 SY12
Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps
wire gauge 0.5 1 1 1.3 1.5 1.8 3.2 4 3.2 4 3 4
MAX Distance between Actuator and Supply (feet)
18 1515 758 758 583 505 421 237 189 237 189 253 189
16 2381 1190 1190 916 794 661 372 298 372 298 397 298
14 3846 1923 1923 1479 1282 1068 601 481 601 481 641 481
12 5882 2941 2941 2262 1961 1634 919 735 919 735 980 735
10 10000 5000 5000 3846 3333 2778 1563 1250 1563 1250 1667 1250
8 14925 7463 7463 5741 4975 4146 2332 1866 2332 1866 2488 1866
110 VAC
SY1 SY2 SY3 SY4 SY5 SY6 SY7 SY8 SY9 SY10 SY11 SY12
Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps Amps
wire gauge 0.3 0.5 0.5 0.6 0.7 0.8 1.6 2 1.6 2 1.6 2.2
MAX Distance between Actuator and Supply (feet)
18 5051 3030 3030 2525 2165 1894 947 758 947 758 947 689
16 7937 4762 4762 3968 3401 2976 1488 1190 1488 1190 1488 1082
14 12821 7692 7692 6410 5495 4808 2404 1923 2404 1923 2404 1748
12 19608 11765 11765 9804 8403 7353 3676 2941 3676 2941 3676 2674
10 33333 20000 20000 16667 14286 12500 6250 5000 6250 5000 6250 4545
8 49751 29851 29851 24876 21322 18657 9328 7463 9328 7463 9328 6784
220 VAC
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